DIBUTYLENE GLYCOL CO-POLYMERIZED POLYBUTYLENE TEREPHTHALATE PELLET AND MANUFACTURING METHOD THEREOF, AND MOLDING AND MANUFACTURING METHOD THEREOF

• Main Authors: KISHISHITA MINORU, MATSUZONO SHINICHIRO
• Format: Patent
• Language: English; Japanese
• Published: 17.10.2022
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

To provide a dibutylene glycol co-polymerized polybutylene terephthalate pellet with less color tone increase in drying under air, and capable of suppressing contamination of a chill roll, etc., when fabrication, etc. are applied for making into a film.SOLUTION: A dibutylene glycol co-polymerization...